Drill.



No. 792,842. PATENTED JUNE 20, 1905.

- H. M00. NORRIS.

DRILL.

APPLICATION FILED JULY 6. 1904.

s SHEETS-SHEET 1.

Witness No. 792,842. I PATENTED JUNE 20, 1905. H. M00. NORRIS.

DRILL.

APPLICATION FILED JULY 5. 1904.

3 SHEETS-SHEET Z.

PATENTED JUNE 20, 1905. H. M00. NORRIS.

DRILL APPLICATION FILED JULY 5.1904.

3 SHEETS-SHEET 3.

I \w? a n PH Witt lessen UNTTED STATES Patented June 20, 1905.

PATENT I @FFICE.

HENRY MCCOY NORRIS, OF CINCINNATI, OHIO, ASSIGNOR TO THE BICKFORD DRILL & TOOL COMPANY, OF CINCINNATI, OHIO,

A CORPORATION.

DRILL.

SPECIFICATION forming part of Letters Patent No. 792,842, dated June 20, 1905.

Application filed July 5, 1904. Serial No. 215,404.

To (all whom it may concern:

Be it known that I, HENRY McCoY NORRIS, a citizen of the United States, residing at Cincinnati, in the county of Hamilton and State of Ohio, have invented certain new and useful Improvements inDrills, of which the following is a specification.

My invention relates to a special construction of multiple drill especially designed to drill arch-bars or other similar work in which the spindles are operating simultaneously in the same or different horizontal planes.

The object of my invention is to provide simple and convenient mechanisms for this class of work.

The features of my invention are more fully set forth in the description of the accompanying drawings, forming a part of this specification, in which- Figure 1 is a front elevation of my improved drill. Fig. 2 is a section on line w m, Fig. 1. Fig. 3 is an end elevation. Fig. 4 is an enlarged front elevation of the tablefeeding mechanism and power control. Fig. 5 is a section on line 20 w, Fig. 4:. Fig. 6 is a section on line y y, Fig. 4. Fig. 7 is a side elevation of a portion of the head-stock and gearing driven from the top horizontal driving-shaft. Fig. 8 is a similar view of another portion of the head-stock and gearing driven from the lower horizontal driving-shaft. Fig. 9 is a section on line 2; n, Fig. 8.

1 represents the upright frame, consisting of two vertical parallel columns having the top horizontal cross-head 2.

3 represents the horizontal way of the crosshead.

3 represents a parallel horizontal way on the frame under the cross-head.

45 4S 4L 4 f 4f represent drill-srfindle-supporting brackets, the two outer ones A 4:" 1 i having a gibbed way connection with the horizontal way 3. The intermediate brackets 4 45 have gibbed-way connection with the horizontal ways 3 and 3 4 represents clamping-bolts for adjustably securing said brackcts to said ways, respectively. Each bracket has a spindle-bearing 5 5 5 5 5 5 The two intermediate bearings 5 5 are at the lower ends of the longer brackets 46 4, because the two intermediate spindles are longer than the four outside spindles and are designed to operate in a lower horizontal plane. 66 6 6 6 6 represent the drill-spindles journaled in the said bearings 5 5" 5 5 5 5". The two intermediate spindles 6 6 are relatively longer, as they are designed to operate in a lower horizontal plane.

At the lower end of each drill-bracket and under the spindle of each bracket is a jig, these beingnumbered13 13 13 13 13 13", respectively. These jigs are an equal distance between the ends of their respective spindles and the respective planes in which said spindles are designed to work. Thus all of the spindles, as well as the drills, are subjected to the same strains, although operating in different planes simultaneously, and also the drills have an equal amount of projection from the end of the spindle to the work.

7 8 represent two cross-feed shafts journaled at the top of the cross-head and are driven as follows: 50 represents a shaft journaled in suitable bearings projected from the rear of the machine, upon which is fixed a pulley 51 for revolving said shaft, power being conveyed to said pulley from any suitable source. Upon the end of said shaft 50 is fixed a gear 52 in mesh with a gear 53 on the studshaft 54:. 55 represents a gear fixed to said stud-shaft 54 and in mesh with gear 9, fixed to shaft 8, and also in mesh with gear 56, fixed to a shaft 7 for conveying power to the re.- spective lastnamed shafts. 11 represents bevel gear-wheels fixed to a shaft supported in the elbow-bearings 10, having driven connection with the shafts 7 and 8, respectively, through two bevel-gears, one gear of which is fixed to the stud-shaft carrying gear 11 and the other splined to either one of the shafts 7 or 8, as the case may be. The spindles 6 6 6 6 6 6 have fixed to them the bevel gearwheels 12, intermeshing, respectively, with the gear-wheels 11, whereby the said shafts 7 8 drive the drill-spindles in different positions of lateral adjustment. These bevel gearwheels are supported or carried in the elbowbearings 10, whereby they may be firmly slid on the shafts 7 8 as the said brackets 4 4 4 4 4 4 are laterally adjusted.

Figs. 7, 8, and 9 illustrate the transmission between the driving-shafts 7 8 and the various drill-spindles. From these views it will be seen that opposite each drill-spindle a studshaft 55 is journaled transversely through the head-stock, that the bevel gear-wheels 11 12 form a transmission between the spindle and shaft 55, and that bevel gear-wheels 54 53 form the transmission between the shaft 55 and the horizontal driving-shaft7 or 8. This train of transmission is shown in Fig. 9, and it is the same for both upper and lower horizontal shafts.

The body of the drill is provided with main gibbed vertical ways 14, upon which is gibbed a support 15 for the table members 16 17 18. These three table members constitute the table proper and, with the support 15, are fed as a unit to and from the drill-spindles. The support 15 has thevertical ways 19, upon which the table member 18 is adjustable. Upon opposite sides of the vertical way 19 the support 15 is provided with horizontal ways 20 21, upon which are adjustably secured the table members 16 17, respectively. These table members are clamped to their respective gibbed ways by the clamping-bolts 22. It is obvious that by this construction table members 16 and 17 may be adjusted to and from each other in the same horizontal plane to occupy positions under the laterally-adjustable drill-spindles, and table member 18 can be adjusted to different horizontal planes relative to the tops of the table members 16 and 17 to form a seat for different-sized arch-bars. The table members 16 and 17 carry workclamping devices 23, while the table member 18 carries two adjusting-screws 24.

represents the arch-bar supported in position, its upper and outer, horizontal arms being supported by the tables 16 and 17, while the table member 18 is adjusted to form a proper seat for the intermediate and countersunk portion or section of the arch-bar. By this arrangement various shapes and sizes of work may be conveniently and securely clamped on the traveling support 15 and equirigidly presented to the multiple drills.

The support 15 is provided with the vertical racks 26, suitably supported in position by brackets secured to the frame 1 and projecting therefrom, for feeding the support 15, and the following mechanisms are employed for engaging the rack: 'lhrough anest of gearing 27 upon the top of the machine, on the side opposite the gearing-nests 9, the conepulley 28 is driven. On the lower part of the frame is a cooperating cone-pulley 29, and a belt transmission is used between them. Pulley 29 is fixed upon a shaft 30, upon the end of which is a pinion 31, meshing with the gear-wheel 32 upon the end of the Worm-shaft 33. Worm-shaft 33 isjournaled in a rocking quadrant 34, fulerumed at 35 to the body of the machine, as shown in Fig. 5. The quadrant 34 is provided with a foot-treadle 36 for rocking it. 37 represents a vertical shaft journaled in the body, having 'a worm-wheel 38, against which the worm portion 39 of the worm-shaft 33 engages. Shaft 37 has the worm portion 40, engaging into the wormwheel 41, fixed on the end of horizontal feedshaft 42, which spans the machine horizontally at the bottom and is provided with the two pipions 43, engaging, respectively, into the racks 26. (Shown in dotted lines, Fig. 1.) It is obvious that by and through this train of mechanism the main table-support 15 may be reciprocated on the vertical ways of the machine. In order to automatically trip this table-feed, I provide the following devices, (see Figs. 4 and 6:) Worm-wheel 41 is provided with a pin 44 upon its side. Fulcrumed upon the body of the drill is the tripping-lever 45, one end of which, 46, is adapted to be interposed in the path of rotation of the pin 44. Tripping-lever 45 is also provided with a latch or indent device 47, which interlocks with the finger 48, projected from the upper limb of the rocking quadrant 34. When in the normal position-that is, the worm 39 en gaging the worm-wheel 38the finger 48 is engaged by the indent or latch 47 in the position shown in Fig. 4, and it is obvious that when the pin 44 trips the end 46 of lever 45 thatit will release the finger 48, and the quadrant 44 will drop back by gravity, disengaging the worm 39 from the worm-wheel 38 and stopping the table feed.

It will be observed that the intermediate spindle-bearings 5 5 are vertically adjustable upon the longer brackets 4" 4 and that the jigs 13 13 are likewise vertically adjustable on brackets 4 4 It is frequently desirable that the table members be adjusted to the same level or that they be invertedthat is, table member 18 to be adjusted higher than the table member 17. To accomplish this re sult, the support 15 is cut out between the vertical ways 19, this cut-out portion being shown at a, Fig. 2. In this cut-out portion lies the short horizontal cross-rail 3 of the main frame, (see Fig. 1,) and into this cutout portion it extends the lower end of the drill-supporting brackets 4" 4. This construetion enables the table 18 when desired to be raised on the support above the lower ends of the brackets 4 4, so that the different table members may be relatively adjusted vertically without disturbing the drill-supporting brackets, the drill-spindles of course being vertically adjustable on their brackets. This is useful, as itgives complete adjustability to the table members,which can therefore support work of different degrees of arch, whether concave or convex. When the table member 18 is adjusted to such a position, the bearings and jigs on these brackets 1 1 may be vertically raised thereon above the desired position of the work. The spindles 5 5 are adapted to slide vertically through their bevelgears and to be driven thereby. With this possibility of adjustment not only can different arches be supported, but the table member 18 may be adjusted to a height equal to the other tables 16 17, so making a practically straight table, or table 18 may be adjusted above the members 16 and 17, so working on an archbar placed inversely or with the arched intermediate portion elevated. This gives the machine great convenience and capacity, and in all of these various adjustments the spindles are supported in the same manner and the drills project a like distance from the spindles to the work.

Having described my invention, I claim 1. In a machine of the class described, a frame, driving mechanism, drill-spindles, the ends of which are projected into different horizontal planes supported upon the frame, and actuated by the driving mechanism, a support having a vertical gibbed-way connection with the frame, table members relatively adjustable vertically on the support and disposed under the spindles respectively, means for feeding the support to and from the spindles, and means for clamping the work on the table members, whereby the different horizontal sections of the work may be independently seated upon their respective table members, substantially as described.

2. In a machine of the class described, a frame, driving mechanism, drill-spindles, the ends of which are projected into different horizontal planes, laterally adjustable on the frame and having laterally-adjustable transmitting connections with the driving mechanism, a support having a vertical gibbed-way connection with the frame, means for feeding the support to and from, the spindles, table members on the support, means for adjusting the table members on the support relative to one another and to the spindles, in vertical and horizontal planes, and means for clamping the work on the said table members, whereby the different horizontal sections of the work may be independently seated upon their respective table members, substantially as described.

3.. In a machine of the class described, a frame, d rivingmechanism, a series of spindles, one or more of the intermediate spindlcsbcing adapted to operate in a lower plane than the outside spindles, the said spindles being adjustable laterally on the frame and having laterally-adjustable transmitting connections with thcdrivingmember,asupporthavingvertical gibbedway connection with the frame, means for feeding the support to and from the spindles, a table member having a vertical gibbed-way connection with the support under the intermediate spindle or spindles, a table member upon each side of the first-named table member having a horizontal gibbed-way connection with the support under the shorter spindles, and means for clamping the work on the said table members whereby the different horizontal sections of the work may be independently seated upon their respective table members, substantially as described.

4. In a machine of the class described, a frame, a driving mechanism, drilling mechanism supported on the frame and actuated by the driving mechanism, a support having a vertical gibbed-way connection with the frame, table members relatively adjustable vertically on the support, means for feeding the support to and from the drilling mechanism, and means for clamping the work on the table members, whereby the different horizontal sections thereof may be independently seated upon their respective table members, substantially as described.

5. In a machine of the class described, a frame, drill-spindle-supporting brackets, one or more of which are extended below the others, drill-spindles on the brackets, means for driving said drill-spindles, means for vertically adjusting said spindles on the brackets, a support having a vertical gibbed-way connection with the frame under the drillspindles, two or more table members relatively adjustable vertically on said support, a portion of the said support being cut out adjacent to the end of the lower extended bracket, whereby one of the table members may be adjusted above the lower end of said bracket, and means for feeding the support,- substantially as described.

6. In a machine of the class described, a frame, horizontal ways on the frame, drillspindle-supporting brackets adjustable on said horizontal ways, driving mechanism on the frame, drill-spindles supported on the brackets and having a vertically-adjustable connection with the driving mechanism, an intermediate bracket or brackets and its spindle or spindles being projected to a lower horizontal plane than the outside brackets and spindles, a support having a vertical gibbed-way connection with the frame under the drillspindles, two outside table members on the support, vertical gibbed ways formed on the support intermediate of said outside table members, an intermediate table member adjustably mounted on the vertical gibbed ways of said support, the intermediate portion of the support between its vertical gibbed ways being cut out .to permit the intermediate table member to be adjusted above the lower end or ends of the lower extending bracket or brackets, and means for feeding said support to and from the drill-spindles, whereby the table members may have different vertical adjustment on their common feeding-support, the different sections of the horizontal work IIO and means for feeding the said support to and from the drilling mechanism, whereby the different sections of the Work may be independently seated upon table members, sub- 5 stantially as described.

In testimony whereof I have hereunto set my hand.

HENRY MCCOY NORRIS. Witnesses:

OLIVER B. KAISER, LUISE BnoK. 

